05 Jul 2021 --- Consumers may soon be able to assess the maturity or microbial decomposition of food with their smartphone, thanks to a portable spectrometer. Researchers at the Fraunhofer Institute for Electronic Nano Systems (ENAS) in Germany designed the device for quick, cost-effective and straightforward testing, including for food. The spectrometer can also detect pollutants in air, water or foodstuffs.
